Find the gaps in your email security

Get a free and easy-to-deploy assessment of the effectiveness of your current email security, including steps you can take to better protect your organization.

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Protect your Office 365 users against evasive phishing attacks with Cyren Email Security.

Learn more
 

Find the gaps in your email security

Get a free and easy-to-deploy assessment of the effectiveness of your current email security, including steps you can take to better protect your organization.

Office365 logo

Protect your Office 365 users against evasive phishing attacks with Cyren Email Security.

Learn more

Internet security that protects at cloud speed

More than 1.3 billion users around the world rely on Cyren's 100% cloud security solutions to protect them against cyberattacks and data loss every day. Powered by the world's largest security cloud, Cyren delivers fast time-to-protection with an advanced suite of security services for businesses and detection technologies for service providers and security vendors.

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Relying on Cyren Threat Intelligence

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Cyren's threat intelligence solutions are utilized by over 200 technology and security vendors, including industry leaders Google, Microsoft, and Check Point, who trust Cyren to help safeguard their users by analyzing over 25 billion transactions across multiple threat vectors every day.

Recognized by industry leaders

Experience award-winning Cyren Email Security protection for your organization.

Cyren wins Second Consecutive CyberSecurity Breakthrough Award!

Silver Stevie Winner - International Business Awards

Cyren wins 2019 Cybersecurity Excellence Award

Cybersecurity Excellence Awards 2019 - Email Security

The best cyber intelligence

The broadest threat visibility

The Cyren cloud processes over 25 billion transactions generated by over 1 billion users daily to assemble an unmatched view of cyber threats as they emerge. As a result, Cyren identifies and classifies thousands of new IP addresses, phishing sites, and malicious URLs every day, providing the best threat data in the industry.

Big data analytics

Cyren’s data collection footprint and patented detection capabilities combine with extensive expertise in Big Data, advanced heuristics, and machine learning to build actionable global security intelligence on a near-real-time basis. Our cloud platform automatically investigates and correlates IP addresses, domains, hosts, and files associated with suspicious behavior, builds risk scores, and is capable of instantaneous reclassification.

Enterprise security at cloud speed

Our cloud-based DNS, email secure gateway, and cloud sandboxing services for enterprises are powered by the Cyren GlobalView Cloud. Intelligence gained from any transaction within the Cyren cybersecurity platform instantly updates protection for all users – protecting from malicious messages, hosts, and websites.

Recent blog posts

Amir Lev predicts spammers will use handwritten images & audio

by Cyren Security Blog

Image spam tricks spam filters, clogs networks  By Sue Hildreth, contributor 15 Mar 2007 | SearchSecurity.com  “A picture is worth a thousand words,” goes the old saying. What is true in art and journalism is proving equally apt in the … Continue reading →

Microsoft OneCare is Eating Outlook Mail

by Cyren Security Blog

More sour news for Microsoft’s managed security service OneCare. The overzealous quarantine has reported to be swallowing clean mail files. “OneCare seems to have deleted my Outlook.pst file,” posted a user with the handle of Richard.Potthoff. “Is there a chance … Continue reading →

SEC Freezes Hi-Tech Pump and Dump Scheme

by Cyren Security Blog

“These perpetrators effectively cut out the middleman of the old-fashioned pump-and-dump scheme, eliminating phony stock promotions, creating their own artificial trading demand, and consummating their fraud in as little time as a couple of hours.” - SEC Office of Internet … Continue reading →

Humans asked to help Gmail anti-spam

by Cyren Security Blog

Gmail anti-spam engineer calls to users to report spam. From a recent google blog entry “How can you help in the fight? Your most powerful tool is the “Report Spam” button. Use it early and often. That isn’t just there … Continue reading →

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25B Security Transactions Daily

1.3B Users Protected

300M Threats Blocked Daily